BBC Earth HD

'S1/E2 - The Russian Thing'. This episode looks at the origins of the Mir space station and how the US and Russia worked together.

'S1/E7 - Arctic Predators'. Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout.

'S1/E4 - Japan'. By the mid-19th century, Japan has been cut off from outside western influence for more than 200 years.

'S4/E5 - Revisit: Rathlin Island'. Ben Fogle revisits Rauri on Rathlin Island, who left HR for off-grid life. They repaint Rauri's house and discuss his health struggles, and a daring journey he made to help those in need.

'S3/E2'. The race to the Guajira Peninsula is under way. The teams can choose to travel through Guatemala, southern Belize or Honduras to reach the second checkpoint of El Zonte in El Salvador.

'S1/E2 - The Russian Thing'. This episode looks at the origins of the Mir space station and how the US and Russia worked together.

'S1/E7 - Arctic Predators'. Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout.

'S1/E4 - Japan'. By the mid-19th century, Japan has been cut off from outside western influence for more than 200 years.

'S4/E5 - Revisit: Rathlin Island'. Ben Fogle revisits Rauri on Rathlin Island, who left HR for off-grid life. They repaint Rauri's house and discuss his health struggles, and a daring journey he made to help those in need.

'S1/E1'. Alice Roberts begins her Ottoman adventure in Adana, near Syria. She explores an historic mosque and finds out about the origins of Turkish delight.

'S1/E2 - The Russian Thing'. This episode looks at the origins of the Mir space station and how the US and Russia worked together.

'S2/E5'. Paul and Bob fly to Enniskillen to fish for the pike which eluded them in series one. Paul demonstrates how to perform life-saving CPR and Bob tells Paul's fortune in a traditional Irish manner.

'S2/E6'. Paul and Bob fish for graceful grayling on the stunning River Ure. They meet the surgeon who performed Bob's life-saving heart bypass and re-enact the drama of the operating table - in a local pub!

'S1/E7 - Arctic Predators'. Cyril faces down a pack of starved black bears and endures rugged conditions when he embarks on a quest in northern Canada to find lake trout.

'World's Most Amazing Walks With Robson Green. S1/E2 - Austria'. Robson Green is in Austria hiking along the stunning Wachau Valley, following the incredible blue Danube.

'S2/E1'. Travelling to Arran and Holy Isle, Ben Fogle learns how they're a haven for diverse faiths and beliefs, makes Jewish challah bread and visits a Buddhist peace centre.

'S1/E2'. Meet members of a remote community as they try to revive a much-loved tradition.

'Big Adventures: into the Amazon with Robson Green. S1/E2'. This time starting in Manaus, capital of the state of Amazonas, Robson's adventure kicks off with a truly astonishing natural phenomenon: the Meeting of Waters.

'S10/E9 - Ireland'. On Great Blasket Island, off the coast of Ireland, Ben stays with London couple Dan and Emily, who landed an extraordinary job as island caretakers on Europe's rugged western frontier.

'S11/E3 - On the Auroras'. Alaskans confront the environment, and themselves, as winter bears down.

'S1/E5 - Patagonia: The Ends Of The Earth'. At the far tip of South America, lies a magical realm that seems frozen in time.

'S2/E2'. Ben Fogle journeys to Islay and Jura, tracing the route of 6th-century Christian monks across wild seaways to discover communities going the extra mile to look out for one another.

'World's Most Amazing Walks With Robson Green. S1/E3 - Scotland'. Robson Green is in Scotland, a walkers' paradise hiking the Great Glen Way.

'S1/E3'. After a week in deepest Turkey, Alice Roberts finally arrives in Istanbul to learn about how the clever Ottoman tactics required to wrestle the city from the Romans.

'Anton And Giovanni's Adventures In Spain. S1/E3'. Anton and Giovanni's epic Spanish road trip comes to an emotional end as they reach Anton's mother's village before putting on a show for a crowd of thousands with Gorka Márquez.

'S1/E3'. Tony Robinson leaps into the future to explore artificial intelligence. From a humanoid robot that answers back, to the little workhorses that make next-day delivery possible.

'S1/E3'. We meet entrepreneurs Shona and Lewis who've given up their jobs for their passion.

'S1/E4'. Entering The Balkans by sleeper train, Alice Roberts is in Bulgaria's capital Sofia. She'll learn how the empire was controlled from Istanbul and how today the landscape today is almost entirely Soviet.

'S1/E4'. Tony Robinson explores machines that help us mere mortals become superhuman. From a tree-chopping-device faster than twenty lumberjacks, to a jet-powered suit that could be worn by flying paramedics.

'S2/E2 - Frozen Ocean'. Frozen Planet returns with a spellbinding journey through magical icy lands.

'S10/E10 - Thailand'. Ben meets Niall, who rescues and cares for street dogs in Koh Samui.

'S11/E4 - Off the Deep End'. Alaskans rediscover old practises to get through the heart of winter.

'S1/E5'. In her final chapter, Alice Roberts takes a train to the western point of the Ottoman Empire, Budapest to learn how it ended.

'S1/E3'. We meet entrepreneurs Shona and Lewis who've given up their jobs for their passion.